12880660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 29465856

約数和(自身を除く): 16585196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 463, 535, 926, 1070, 1391, 1852, 2140, 2315, 2782, 4630, 5564, 6019, 6955, 9260, 12038, 13910, 24076, 27820, 30095, 49541, 60190, 99082, 120380, 198164, 247705, 495410, 644033, 990820, 1288066, 2576132, 3220165, 6440330, 12880660]

約数ペア:

[(1, 12880660), (2, 6440330), (4, 3220165), (5, 2576132), (10, 1288066), (13, 990820), (20, 644033), (26, 495410), (52, 247705), (65, 198164), (107, 120380), (130, 99082), (214, 60190), (260, 49541), (428, 30095), (463, 27820), (535, 24076), (926, 13910), (1070, 12038), (1391, 9260), (1852, 6955), (2140, 6019), (2315, 5564), (2782, 4630)]